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Using Configuration

The elements used to configure an HTTP provider endpoint are defined in the namespace It is commonly referred to using the prefix http-conf. In order to use the HTTP configuration elements you must add the lines shown in Example 2.6 to the beans element of your endpoint's configuration file. In addition, you must add the configuration elements' namespace to the xsi:schemaLocation attribute.

You configure an HTTP service provider endpoint using the http-conf:destination element and its children. The http-conf:destination element takes a single attribute, name, that specifies the WSDL port element that corresponds to the endpoint. The value for the name attribute takes the form portQName.http-destination. Example 2.7 shows the http-conf:destination element that is used to add configuration for an endpoint that is specified by the WSDL fragment <port binding="widgetSOAPBinding" name="widgetSOAPPort> when the endpoint's target namespace is

The http-conf:destination element has a number of child elements that specify configuration information. They are described in Table 2.4.

The http-conf:server element is used to configure the properties of a service provider endpoint's HTTP connection. Its attributes, described in Table 2.5, specify the connection's properties.

Table 2.5. HTTP Service Provider Configuration Attributes


Sets the length of time, in milliseconds, the service provider attempts to receive a request before the connection times out. The default is 30000.

0 specifies that the provider will not timeout.


Specifies whether exceptions are to be thrown when an error is encountered on receiving a request. The default is false; exceptions are thrown on encountering errors.


Specifies whether exceptions are to be thrown when an error is encountered on sending a response to a consumer. The default is false; exceptions are thrown on encountering errors.


Specifies whether the service provider honors requests for a connection to remain open after a response has been sent. The default is false; keep-alive requests are ignored.


Specifies the URL to which the client request should be redirected if the URL specified in the client request is no longer appropriate for the requested resource. In this case, if a status code is not automatically set in the first line of the server response, the status code is set to 302 and the status description is set to Object Moved. The value is used as the value of the HTTP RedirectURL property.


Specifies directives about the behavior that must be adhered to by caches involved in the chain comprising a response from a service provider to a consumer. See Service Provider Cache Control Directives.


Sets the URL where the resource being sent in a response is located.


Specifies the media type of the information being sent in a response. Media types are specified using multipurpose internet mail extensions (MIME) types. The value is used as the value of the HTTP ContentType location.


Specifies any additional content encodings that have been applied to the information being sent by the service provider. Content encoding labels are regulated by the Internet Assigned Numbers Authority (IANA). Possible content encoding values include zip, gzip, compress, deflate, and identity. This value is used as the value of the HTTP ContentEncoding property.

The primary use of content encodings is to allow documents to be compressed using some encoding mechanism, such as zip or gzip. Apache CXF performs no validation on content codings. It is the user’s responsibility to ensure that a specified content coding is supported at application level.


Specifies what type of server is sending the response. Values take the form program-name/version; for example, Apache/1.2.5.

Example 2.8 shows the configuration for an HTTP service provider endpoint that honors keep-alive requests and suppresses all communication errors.